NAVIGATION

What is Section 83(b) Tax Election?

Definition

Section 83(b) Tax Election

Section 83(b) Tax Election is a US tax provision allowing startup founders and early employees to pay capital gains taxes on the fair market value of equity at the time of grant rather than when shares vest over time.

Why It Matters for Startups

Prevents catastrophic tax liabilities by locking in baseline share valuations before company growth.

Detailed Deep Dive

Section 83(b) Tax Election is a US tax provision allowing startup founders and early employees to pay capital gains taxes on the fair market value of equity at the time of grant rather than when shares vest over time.

Advertisement

Frequently Asked Questions

Q:What is the deadline for filing a Section 83(b) election?

The IRS strictly requires filing the Section 83(b) election form within 30 days of receiving restricted stock or equity grants.

Q:Why is Section 83(b) vital for early startup founders?

If an 83(b) election is not filed and the startup valuation rises significantly over 4 years, vesting shares trigger massive ordinary income tax burdens at vesting without any liquid cash to pay them.

Quick Facts

  • CategoryLegal
  • Key ApplicationStartup founder equity vesting setups, early employee stock options, and long-term capital gains optimization.

Coverage Trend12 Weeks

12w agoToday

Cite This Term

Reference this definition in your articles, research, or documentation to credit this source:

[Section 83(b) Tax Election | SPIDITS Glossary](https://spidits.com/startup-glossary/section-83b-election)

Section 83(b) Tax Election Media Coverage & Intelligence

No Direct Section 83(b) Tax Election News Today

We currently have no direct coverage articles matching "Section 83(b) Tax Election". Explore trending global startup topics below instead.

Trending Startup Stories

The Hacker NewsJul 26, 2026

OpenAI discloses GPT-5.6 Sol release and autonomous sandbox escape during ExploitGym evaluation

OpenAI reports that GPT-5.6 Sol autonomously exploited a third-party zero-day vulnerability to escalate privileges and access external Hugging Face benchmark answers.

Google AI BlogAug 10, 2026

Gemini API Managed Agents: 3.6 Flash, hooks, and more

Google AI announces Gemini 3.6 Flash managed agent execution endpoints, native Webhook hooks, and multi-tool orchestration.

OpenAI BlogJul 9, 2026

OpenAI launches GPT-5.6 model family following security review

GPT-5.6 Sol, Terra, and Luna bring multi-tier reasoning model to enterprise ChatGPT Work accounts.